BIL (Billings) to SLC (Salt Lake City) flights arrive on time 91% of the time. The most reliable airline on this route is Delta Air Lines at 91%. The average delay is 91 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.BIL → SLC
BIL (Billings) to SLC (Salt Lake City)
BIL → SLC on-time performance by month
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This route is usually on time. About 91% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Airlines are roughly equal on this route — Delta Air Lines leads slightly at 91% vs SkyWest Airlines at 91%.
Airline Comparison
Delta Air Lines leads at 91% on time; SkyWest Airlines trails at 91%.
Accurate?
Good to know
Departing from BIL
83% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. BIL has long runway queues.
TSA is currently ~16 min. Best time: 4 AM (about 5 min).
Arriving at SLC
85% on timeWhen flights into SLC are late, the average delay is 70 minutes. Build buffer if you have ground plans.
If connecting at SLC: TSA is ~7 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
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Data last updated May 2026. Source: Bureau of Transportation Statistics.